condition mean min max 12pM Fe,Midday 125.982 125.982 125.982 12pM Fe,Midnight 78.2022 73.7134 82.691 58pM Fe,Midday 82.5442 82.5442 82.5442 58pM Fe,Midnight 55.581857142857146 47.1585 74.5797 233pM Fe,Midnight 36.74653333333333 33.921 39.0355 1160pM Fe,Midday 57.719657142857145 49.6006 62.7576 1160pM Fe,Midnight 21.947775 14.6442 34.8483 High carbon,Dark 59.78593333333333 28.1757 109.476 High carbon,Light 65.6278076923077 31.9861 112.975 Low carbon,Dark 46.733 46.733 46.733 Phloroglucinol 112.239 100.229 125.762 Silicon starvation,12h 66.6368 66.6368 66.6368